#ifndef RAY_H
#define RAY_H
#include "vec3.h"

class ray {
    public:
    ray() {}
    ray (const point3& origin , const vec3& direction):orig(origin),dir(direction){}

    const point3& origin() const {return orig;}
    const vec3& direction() const {return dir;}

    point3 at(double t) const {
        return orig + t*dir;
    }
    private:
    point3 orig;
    vec3 dir;
};

#endif